New standard inhalation resistance <175pa, exhalation resistance <145pa.
Low resistance air intake, waterproof, antibacterial.
Skin-friendly non-woven fabric.
Waterproof.
You can add to the cart as many as you need, 78 USD includes 6 Packs
-Easy to use: Easy and simple to insert or replace the PM 2.5 Filter. Just place it in the insert opening or if no insert is available simply place it inside your face mask.
